update url

Author: Yanqing0327

docs/index.html

@@ -32,7 +32,7 @@ <h2 class="subtitle is-4">Fully-Open, Cost-Effective Vision Encoders for Multimo
       <div class="publication-links" style="margin-top: 1.5em;">
         <!-- PDF Link -->
         <span class="link-block">
-          <a href="https://arxiv.org/abs/2406.08478"
+          <a href="https://arxiv.org/pdf/2505.04601"
              class="external-link button is-normal is-rounded is-dark">
             <span class="icon">
               <img src="./resources/ar.svg" alt="arXiv" style="width: 1.2em; height: 1.2em;" />